As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 2347. ENG 2 FIREX BTL A FAIL MESSAGE IN CRUISE FLIGHT. AFTER LANDING FOUND CIRCUIT BREAKER B 4 CAPTAIN SIDE (FIREX 2A ) CIRCUIT BREAKER OUT. REMOVED FROM SERVICE. RESET CB IAW GPM 9.2.2.1 CB REMAINED SET. PERFORMED OPS TEST OF FIRE PROTECTION SYSTEM. REF E-175 AMM TASK 26-00-00-700-801-A. OPS TEST GOOD. RETURNED TO SERVICE NO PARTS REPLACED.